A revision quiz about errors and uncertainty: Attempt review PDF

Preview

Summary

! " My courses " CHEM001x-CHEM4Bio " BTZ " A revision quiz about errors and uncertaintyQuestion 1Correct Marked out of 1. Flag questionQuestion 2Correct Marked out of 3. Flag questionQuestion 3Correct Marked out of 1. Flag questionQuestion 4Correct Marked out of 1. Flag questionQuestion 5Correct Mar...

Description

CHEM001x: Chemistry for Biology Students ! !

/

Home

Events

0

My Courses

1 This course

Sta" Help

" My courses " CHEM001x-CHEM4Bio " BTZ " A revision quiz about errors and

Started on State Completed on Time taken Question 1

Saturday, 7 November 2020, 7:51 PM Finished Saturday, 7 November 2020, 8:07 PM 15 mins 39 secs What is the technical de!nition of "error" in the context of measu

Correct Marked out of 1.00 Flag question

Select one:

#

a. The uncertainty in the value of a physical quantity. Ye measurement (e.g. the ionization energy of hydrogen, the wav sprint, the average income in the UK, the US budget de!cit etc about any of these quantities in graphical terms, there is an e error. b. The inability to know the value of a physical quantity exact c. The di"erence between the biggest and the smallest value d. A mistake in procedure or reporting. e. The standard deviation in a set of measurements.

It takes time to get accustomed to this very narrow and formal de correcting "mistakes" (aka balls-ups) but rather about identifying making. And in doing so we are able to reveal the underlying phen process. The correct answer is: The uncertainty in the value of a physical q

Question 2

Match the following terms with their de!nitions....